astro/packages/integrations/image/components/Image.astro

---
// @ts-ignore
import { getImage } from '../dist/index.js';
import { warnForMissingAlt } from './index.js';
import type { ImgHTMLAttributes } from './index.js';
import type { ImageMetadata, TransformOptions, OutputFormat } from '../dist/index.js';

interface LocalImageProps
	extends Omit<TransformOptions, 'src'>,
		Omit<ImgHTMLAttributes, 'src' | 'width' | 'height'> {
	src: ImageMetadata | Promise<{ default: ImageMetadata }>;
	/** Defines an alternative text description of the image. Set to an empty string (alt="") if the image is not a key part of the content (it's decoration or a tracking pixel). */
	alt: string;
}

interface RemoteImageProps extends TransformOptions, astroHTML.JSX.ImgHTMLAttributes {
	src: string;
	/** Defines an alternative text description of the image. Set to an empty string (alt="") if the image is not a key part of the content (it's decoration or a tracking pixel). */
	alt: string;
	format: OutputFormat;
	width: number;
	height: number;
}

export type Props = LocalImageProps | RemoteImageProps;

const { loading = 'lazy', decoding = 'async', ...props } = Astro.props as Props;

if (props.alt === undefined || props.alt === null) {
	warnForMissingAlt();
}

const attrs = await getImage(props);
---

<img {...attrs} {loading} {decoding} />

<style>
	img {
		content-visibility: auto;
	}
</style>